#include<stdio.h>
#include<string.h>

int main()
{
	int a = strcmp("abc","abad");
	int b = strcmp("abc", "abxd");
	int c = strcmp("abc", "abc");
	int d = strcmp("abc", "abcd");
	printf("%d\n", a);
	printf("%d\n", b);
	printf("%d\n", c);
	printf("%d\n", d);
	int e = (int)'a';
	printf("%d", e);
	return 0;
}